Generally speaking, the freak flag doesn’t fly high in Scottsdale. Auction Week is about mass-market retail-ready collector car commerce. Dealers and private consigners bring mainstream wares that they hope to unload by the end of the week. Lots of resale red Corvettes, Camaros, Chargers and Chevelles. But search hard enough under the tents at Barrett-Jackson, Russo and Steele and Silver, and even the most dedicated weird-car nuts will find something to get excited about. Following are some of our favorite odd ducks: